Home / 55,956.30-83,943.09-18,525.78

Finding the Fourth Proportional to 55,956.30, 83,943.09 and 18,525.78

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Solution

The fourth proportional to 55,956.30, 83,943.09 and 18,525.78 is: 27,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.30 : 83,943.09 = 18,525.78 : x
  2. Step 2: Convert to fraction form
    55,956.30/83,943.09 = 18,525.78/x
  3. Step 3: Cross multiply
    55,956.30x = 83,943.09 × 18,525.78
  4. Step 4: Simplify right side
    55,956.30x = 1,555,111,217.86
  5. Step 5: Solve for x
    x = 1,555,111,217.86/55,956.30
  6. Step 6: Final answer
    x = 27,791.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.